Home / 254,859.24-351,698.69-140,138.11

Finding the Fourth Proportional to 254,859.24, 351,698.69 and 140,138.11

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Solution

The fourth proportional to 254,859.24, 351,698.69 and 140,138.11 is: 193,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,859.24 : 351,698.69 = 140,138.11 : x
  2. Step 2: Convert to fraction form
    254,859.24/351,698.69 = 140,138.11/x
  3. Step 3: Cross multiply
    254,859.24x = 351,698.69 × 140,138.11
  4. Step 4: Simplify right side
    254,859.24x = 49,286,389,177.17
  5. Step 5: Solve for x
    x = 49,286,389,177.17/254,859.24
  6. Step 6: Final answer
    x = 193,386.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.